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3 years ago

Which bid strategy should Sara use if her goal is to get more people to call her local catering business?

1 answer:

4 0

The answer to the question above is "Cost-per-acquisition" which is the bid strategy that Sara should use if her goal is to get more people to call her local catering business. The cost-per-acquisition is a bid strategy which enables the automated system to the bidding system. This strategy will make people call Sara's catering.

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Let $S$ be the set of complex numbers of the form $a + bi,$ where $a$ and $b$ are integers. We say that $z \in S$ is a unit if t

lakkis [162]

Answer:

Number of units possible in S are 4.

Explanation:

Given S is a set of complex number of the form $a+bi$ where a and b are integers.

$z\in S$ is a unit if $w\in z$ exists such that $zw=1$ .

To find:

Number of units possible = ?

Solution:

Given that:

$zw = 1$

Taking modulus both sides:

$|zw| = |1|$

Using the property that modulus of product of two complex numbers is equal to their individual modulus multiplied.

i.e.

$|z_1z_2|=|z_1|.|z_2|$

So,

$|zw| = |1|\\\Rightarrow |zw| =|z|.|w| =1\\\Rightarrow |z|=\dfrac{1}{|w|}$ ......... (1)

Let $z=a+bi$

Then modulus of z is $|z| = \sqrt{a^2+b^2}$

Given that a and b are integers, so the equation (1) can be true only when $|z| = |w| =1$ (Reciprocal of 1 is 1). Modulus can be equal only when one of the following is satisfied:

(a = 1, b = 0) , (a = -1, b = 0), (a = 0, b = 1) OR (a = 0, b = -1)

So, the possible complex numbers can be:

$1.\ 1 + 0i = 1\\2.\ -1 + 0i = -1\\3.\ 0+ 1i = i\\4.\ 0 -1i = -i$

Hence, number of units possible in S are 4.

6 0

3 years ago

Which of the following statements regarding SPT and WSPT is INCORRECT?

Alex Ar [27]

Answer:

Explanation:

WSPT assigns the highest priority to the job with the LOWEST weight/processing time ratio.

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3 years ago

All else constant, an increase in a firm's cost of debt: a. will lower the firm's weighted average cost of capital. b. will resu

Elanso [62]

Answer:

Explanation:

will increasethr firm's capital structure weight of dept.

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3 years ago

Intermediate and deep earthquakes occur along ____________.

Mekhanik [1.2K]

I think the answer is convergent plate boundaries, but I am not positive. hope this helps :)

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3 years ago

How does money encourage specialization?

svlad2 [7]

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Honestly taking a test with this same question at the moment and i am just taking a wild guess here. Im sorry if i got it wrong but good luck.

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3 years ago

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